That's how outages on very popular systems work - there's no downtime when most engineers are sleeping, since they're not under load.

A lot of deployments are also being done by engineers, performing the deploys while awake. Thus increasing the risk of outages while I'm awake. :(

There was a post on here the other day explaining this exact phenomenon: https://brooker.co.za/blog/2026/06/19/waiting.html